qgraphicsview mouse event

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qgraphicsview mouse event

Simply idea is to get coordinates every time mouse pointer is over QGraphicsView, without any clicking on it. Another think is now when i click ... ,2018年1月31日 — You need to implement the mouseMoveEvent function from QGraphicsView and accept the event. protected: virtual void ... ,2015年7月10日 — In your subclassed QGraphicsView, you need to call the default implementations of overridden mouse event methods if you want them to ... ,Reimplement the mousePressEvent(QMouseEvent *event) of the QGraphicsView not your widget would be the 'proper' way of doing it. Otherwise you can hack ... ,2016年10月2日 — You also need to understand the event handling between the QGraphicsView, the QGraphicsScene, and any items in the scene. ,I think you have the wrong parameter type in your mousePressEvent function. In QGraphicsView you have to use mousePressEvent(QMouseEvent*) and not ... ,2017年9月24日 — In a QGraphicsView a QGraphicsScene is added, each one manages a system of different coordinates. the QGraphicsView is similar to a ... ,The QGraphicsSceneMouseEvent class provides mouse events in the graphics view ... When a QGraphicsView receives a QMouseEvent, it translates it to a ... ,Hi, I am new to QT and looking for someone to help. I have a program where I need to draw a shape on top of an image using a mouse ... ,2008年7月16日 — Re: QGraphicsView mouse events. in order to debug this I sub classed QGrapicsScene. The mouse event (in this case click event) gets delivered ...

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qgraphicsview mouse event 相關參考資料
<SOLVED> QGraphicsView & mouse events. | Qt Forum

Simply idea is to get coordinates every time mouse pointer is over QGraphicsView, without any clicking on it. Another think is now when i click ...

https://forum.qt.io

Block some mouse event of QGraphicsView - Stack Overflow

2018年1月31日 — You need to implement the mouseMoveEvent function from QGraphicsView and accept the event. protected: virtual void ...

https://stackoverflow.com

Can I get mouse events in a QGraphicsItem? - Stack Overflow

2015年7月10日 — In your subclassed QGraphicsView, you need to call the default implementations of overridden mouse event methods if you want them to ...

https://stackoverflow.com

Click event for QGraphicsView Qt - Stack Overflow

Reimplement the mousePressEvent(QMouseEvent *event) of the QGraphicsView not your widget would be the 'proper' way of doing it. Otherwise you can hack ...

https://stackoverflow.com

How to handle mouse events captured from QGraphicsView ...

2016年10月2日 — You also need to understand the event handling between the QGraphicsView, the QGraphicsScene, and any items in the scene.

https://stackoverflow.com

How to use mouseEvent on QGraphicsView - Stack Overflow

I think you have the wrong parameter type in your mousePressEvent function. In QGraphicsView you have to use mousePressEvent(QMouseEvent*) and not ...

https://stackoverflow.com

PyQt: Mouse events in QGraphicsView - Stack Overflow

2017年9月24日 — In a QGraphicsView a QGraphicsScene is added, each one manages a system of different coordinates. the QGraphicsView is similar to a ...

https://stackoverflow.com

QGraphicsSceneMouseEvent Class | Qt Widgets 5.15.2

The QGraphicsSceneMouseEvent class provides mouse events in the graphics view ... When a QGraphicsView receives a QMouseEvent, it translates it to a ...

https://doc.qt.io

QGraphicsView Mouse click event help | Qt Forum

Hi, I am new to QT and looking for someone to help. I have a program where I need to draw a shape on top of an image using a mouse ...

https://forum.qt.io

QGraphicsView mouse events - Qt Centre Forum

2008年7月16日 — Re: QGraphicsView mouse events. in order to debug this I sub classed QGrapicsScene. The mouse event (in this case click event) gets delivered ...

https://www.qtcentre.org